--- /dev/null
+From 29053c4832229efa7160fb944c05e3bc82e11540 Mon Sep 17 00:00:00 2001
+From: Martijn Buijs <Martijn.buijs@gmail.com>
+Date: Tue, 23 Apr 2019 18:20:12 +0200
+Subject: [PATCH] Switch to yaml.safe_load(_all) to prevent YAMLLoadWarning
+ (#1688)
+
+* Switch to yaml.safe_load(_all) to prevent YAMLLoadWarning
+
+* Change all usages of yaml.load to yaml.safe_load
+
+* Extend PyYAML's SafeLoader and use it with `yaml.load`
+
+Also added convenience functions for using this loader for reuse in
+`roslaunch`
+
+* fix typo in rosparam.yaml_load_all
+
+* Modify Loader and SafeLoader in yaml module directly
+
+* Revert whitespace change
+
+* Revert unrelated change to import through global variable construction
+---
+ clients/rospy/src/rospy/client.py | 2 +-
+ .../test/test_roslib_message.py | 2 +-
+ .../client_verification/test_slave_api.py | 2 +-
+ test/test_rosparam/test/check_rosparam.py | 8 ++---
+ .../check_rosparam_command_line_online.py | 2 +-
+ .../check_rosservice_command_line_online.py | 4 +--
+ test/test_rostopic/test/test_rostopic_unit.py | 30 +++++++++----------
+ tools/rosbag/src/rosbag/bag.py | 2 +-
+ tools/rosgraph/src/rosgraph/roslogging.py | 2 +-
+ tools/roslaunch/src/roslaunch/loader.py | 4 +--
+ .../test/unit/test_roslaunch_dump_params.py | 4 +--
+ tools/rosparam/src/rosparam/__init__.py | 7 ++++-
+ tools/rosservice/src/rosservice/__init__.py | 4 +--
+ tools/rostopic/src/rostopic/__init__.py | 6 ++--
+ tools/topic_tools/scripts/relay_field | 2 +-
+ 15 files changed, 43 insertions(+), 38 deletions(-)
+
+diff --git a/tools/rosparam/src/rosparam/__init__.py b/tools/rosparam/src/rosparam/__init__.py
+index 41b806711..3279ab97d 100644
+--- a/tools/rosparam/src/rosparam/__init__.py
++++ b/tools/rosparam/src/rosparam/__init__.py
+@@ -99,6 +99,7 @@ def construct_yaml_binary(loader, node):
+ # register the (de)serializers with pyyaml
+ yaml.add_representer(Binary,represent_xml_binary)
+ yaml.add_constructor(u'tag:yaml.org,2002:binary', construct_yaml_binary)
++yaml.SafeLoader.add_constructor(u'tag:yaml.org,2002:binary', construct_yaml_binary)
+
+ def construct_angle_radians(loader, node):
+ """
+@@ -185,7 +186,7 @@ def load_str(str, filename, default_namespace=None, verbose=False):
+ """
+ paramlist = []
+ default_namespace = default_namespace or get_ros_namespace()
+- for doc in yaml.load_all(str):
++ for doc in yaml.safe_load_all(str):
+ if NS in doc:
+ ns = ns_join(default_namespace, doc.get(NS, None))
+ if verbose:
+@@ -633,10 +634,14 @@ def yamlmain(argv=None):
+
+ yaml.add_constructor(u'!radians', construct_angle_radians)
+ yaml.add_constructor(u'!degrees', construct_angle_degrees)
++yaml.SafeLoader.add_constructor(u'!radians', construct_angle_radians)
++yaml.SafeLoader.add_constructor(u'!degrees', construct_angle_degrees)
+
+ # allow both !degrees 180, !radians 2*pi
+ pattern = re.compile(r'^deg\([^\)]*\)$')
+ yaml.add_implicit_resolver(u'!degrees', pattern, first="deg(")
++yaml.SafeLoader.add_implicit_resolver(u'!degrees', pattern, first="deg(")
+ pattern = re.compile(r'^rad\([^\)]*\)$')
+ yaml.add_implicit_resolver(u'!radians', pattern, first="rad(")
++yaml.SafeLoader.add_implicit_resolver(u'!radians', pattern, first="rad(")
+